Shanghai Simai Automatic Door Equipment Co., Ltd. (简称 Shanghai Simai Automatic Door Co.), a comprehensive manufacturer of revolving doors, including automatic induction doors, revolving doors, design, installation, maintenance, wholesale, and sales. Our certified automatic induction doors, bi-parting revolving doors, tri-parting revolving doors, and automatic revolving doors supply a range of accessories. Equipped with modern factories, we have passed the US ORION certification and ISO9001:2000 quality standards, as well as the European CE certification. Our sales cover multiple countries and regions.